000 00316nam a2200133Ia 4500
008 220509s9999 xx 000 0 und d
020 _a0
100 _aStair Ralph M
245 0 _aPrinciples of information systems : a managerial approach
260 _bCengage
_c0
300 _a1
546 _aENGLISH
942 _CBK
999 _c2865
_d2865